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Finding the Fourth Proportional to 650,725.90, 976,234.65 and 251,331.10

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Solution

The fourth proportional to 650,725.90, 976,234.65 and 251,331.10 is: 377,052.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,725.90 : 976,234.65 = 251,331.10 : x
  2. Step 2: Convert to fraction form
    650,725.90/976,234.65 = 251,331.10/x
  3. Step 3: Cross multiply
    650,725.90x = 976,234.65 × 251,331.10
  4. Step 4: Simplify right side
    650,725.90x = 245,358,128,442.62
  5. Step 5: Solve for x
    x = 245,358,128,442.62/650,725.90
  6. Step 6: Final answer
    x = 377,052.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.